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#include <cstdio>
using namespace std;
int a[1100000], w, vmin, n;
int wtf()
{
}
int main()
{
freopen("twoton.in", "r", stdin);
freopen("twoton.out", "w", stdout);
scanf("%d", &n);
for(int i = 0; i < n; i ++)
scanf("%d", &a[i]);
w = 1;
for(int i = n - 2; i >= 0; i --)
{
if(a[i] < a[i + 1])
w = w + 1;
else
w = 2 * w + 1;
w = w % 19997;
}
printf("%d\n", w);
return 0;
}